./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread/queue_longer.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:16:56,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:16:56,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:16:56,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:16:56,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:16:56,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:16:56,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:16:56,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:16:56,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:16:56,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:16:56,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:16:56,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:16:56,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:16:56,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:16:56,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:16:56,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:16:56,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:16:56,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:16:56,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:16:56,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:16:56,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:16:56,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:16:56,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:16:56,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:16:56,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:16:56,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:16:56,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:16:56,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:16:56,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:16:56,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:16:56,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:16:56,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:16:56,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:16:56,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:16:56,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:16:56,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:16:56,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:16:56,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:16:56,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:16:56,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:16:56,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:16:56,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:16:56,216 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:16:56,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:16:56,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:16:56,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:16:56,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:16:56,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:16:56,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:16:56,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:16:56,221 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:16:56,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:16:56,222 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:16:56,222 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:16:56,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:16:56,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:16:56,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:16:56,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:16:56,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:16:56,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:16:56,223 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:16:56,223 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:16:56,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:16:56,224 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:16:56,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:16:56,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:16:56,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:16:56,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:16:56,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:16:56,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:16:56,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:16:56,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:16:56,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:16:56,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:16:56,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:16:56,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:16:56,226 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:16:56,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:16:56,227 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:16:56,227 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:16:56,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:16:56,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:16:56,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:16:56,541 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:16:56,542 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:16:56,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2023-08-30 12:16:57,829 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:16:58,092 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:16:58,093 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2023-08-30 12:16:58,121 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b334252/ff8428b3374048909c64935d9ffecb99/FLAG8f9287ae6 [2023-08-30 12:16:58,132 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b334252/ff8428b3374048909c64935d9ffecb99 [2023-08-30 12:16:58,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:16:58,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:16:58,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:16:58,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:16:58,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:16:58,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c68a9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58, skipping insertion in model container [2023-08-30 12:16:58,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:16:58,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:16:58,543 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43296,43309] [2023-08-30 12:16:58,548 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43503,43516] [2023-08-30 12:16:58,553 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43783,43796] [2023-08-30 12:16:58,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:16:58,570 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:16:58,636 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43296,43309] [2023-08-30 12:16:58,640 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43503,43516] [2023-08-30 12:16:58,645 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43783,43796] [2023-08-30 12:16:58,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:16:58,718 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:16:58,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58 WrapperNode [2023-08-30 12:16:58,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:16:58,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:16:58,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:16:58,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:16:58,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,798 INFO L138 Inliner]: procedures = 274, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261 [2023-08-30 12:16:58,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:16:58,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:16:58,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:16:58,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:16:58,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,854 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:16:58,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:16:58,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:16:58,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:16:58,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (1/1) ... [2023-08-30 12:16:58,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:16:58,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:16:58,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 12:16:58,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 12:16:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:16:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:16:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:16:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:16:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:16:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:16:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:16:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:16:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:16:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:16:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:16:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:16:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:16:58,952 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:16:59,164 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:16:59,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:16:59,507 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:16:59,517 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:16:59,517 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:16:59,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:16:59 BoogieIcfgContainer [2023-08-30 12:16:59,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:16:59,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:16:59,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:16:59,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:16:59,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:16:58" (1/3) ... [2023-08-30 12:16:59,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b5e1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:16:59, skipping insertion in model container [2023-08-30 12:16:59,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:16:58" (2/3) ... [2023-08-30 12:16:59,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b5e1a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:16:59, skipping insertion in model container [2023-08-30 12:16:59,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:16:59" (3/3) ... [2023-08-30 12:16:59,537 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2023-08-30 12:16:59,544 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:16:59,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:16:59,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-30 12:16:59,555 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:16:59,657 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:16:59,662 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 12:16:59,666 INFO L158 Benchmark]: Toolchain (without parser) took 1529.82ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 44.6MB in the end (delta: 22.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-08-30 12:16:59,666 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:16:59,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.47ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 60.0MB in the end (delta: 6.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2023-08-30 12:16:59,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.67ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 57.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:16:59,668 INFO L158 Benchmark]: Boogie Preprocessor took 62.68ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 54.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:16:59,668 INFO L158 Benchmark]: RCFGBuilder took 657.20ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 62.3MB in the end (delta: -7.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-08-30 12:16:59,669 INFO L158 Benchmark]: TraceAbstraction took 142.68ms. Allocated memory is still 90.2MB. Free memory was 61.4MB in the beginning and 44.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 12:16:59,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.47ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 60.0MB in the end (delta: 6.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.67ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 57.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.68ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 54.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 657.20ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 62.3MB in the end (delta: -7.6MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * TraceAbstraction took 142.68ms. Allocated memory is still 90.2MB. Free memory was 61.4MB in the beginning and 44.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:16:59,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:17:01,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:01,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:01,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:01,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:01,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:01,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:01,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:01,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:01,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:01,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:01,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:01,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:01,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:01,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:01,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:01,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:01,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:01,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:01,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:01,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:01,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:01,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:01,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:01,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:01,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:01,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:01,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:01,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:01,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:01,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:01,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:01,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:01,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:01,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:01,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:01,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:01,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:01,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:01,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:01,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:01,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:17:01,701 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:01,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:01,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:01,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:01,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:01,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:01,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:01,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:01,705 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:01,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:01,706 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:01,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:01,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:01,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:01,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:01,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:01,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:01,707 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:17:01,707 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:17:01,707 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:01,708 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:17:01,708 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:01,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:01,708 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:01,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:01,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:01,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:01,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:01,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:01,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:01,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:01,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:01,710 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:17:01,710 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:17:01,710 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:01,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:01,711 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:01,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:01,711 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:17:01,711 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:01,712 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:02,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:02,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:02,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:02,045 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:02,045 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:02,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2023-08-30 12:17:03,116 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:03,393 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:03,394 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2023-08-30 12:17:03,414 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a39f6005/6d772e8a9cec4a75a06434cf81373ef4/FLAGaf3c669d0 [2023-08-30 12:17:03,434 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a39f6005/6d772e8a9cec4a75a06434cf81373ef4 [2023-08-30 12:17:03,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:03,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:03,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:03,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:03,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:03,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:03" (1/1) ... [2023-08-30 12:17:03,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e9d7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:03, skipping insertion in model container [2023-08-30 12:17:03,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:03" (1/1) ... [2023-08-30 12:17:03,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:03,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:03,954 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43296,43309] [2023-08-30 12:17:03,959 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43503,43516] [2023-08-30 12:17:03,964 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43783,43796] [2023-08-30 12:17:03,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:03,988 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:04,053 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43296,43309] [2023-08-30 12:17:04,059 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43503,43516] [2023-08-30 12:17:04,061 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i[43783,43796] [2023-08-30 12:17:04,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:04,128 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:04,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04 WrapperNode [2023-08-30 12:17:04,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:04,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:04,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:04,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:04,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,193 INFO L138 Inliner]: procedures = 278, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 255 [2023-08-30 12:17:04,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:04,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:04,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:04,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:04,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,228 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:04,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:04,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:04,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:04,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (1/1) ... [2023-08-30 12:17:04,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:04,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:04,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 12:17:04,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 12:17:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:17:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:17:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:17:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:17:04,294 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:17:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:17:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:17:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:17:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:17:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:04,296 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 12:17:04,472 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:04,473 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:04,851 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:04,860 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:04,861 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:17:04,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:04 BoogieIcfgContainer [2023-08-30 12:17:04,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:17:04,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:17:04,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:17:04,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:17:04,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:17:03" (1/3) ... [2023-08-30 12:17:04,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e949744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:04, skipping insertion in model container [2023-08-30 12:17:04,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:04" (2/3) ... [2023-08-30 12:17:04,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e949744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:04, skipping insertion in model container [2023-08-30 12:17:04,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:04" (3/3) ... [2023-08-30 12:17:04,871 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2023-08-30 12:17:04,878 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:17:04,886 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:17:04,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-30 12:17:04,887 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:17:05,007 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:17:05,014 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 12:17:05,020 INFO L158 Benchmark]: Toolchain (without parser) took 1581.48ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 59.0MB in the beginning and 64.7MB in the end (delta: -5.7MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,020 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:05,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.25ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 49.5MB in the end (delta: 9.2MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.94ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 46.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,022 INFO L158 Benchmark]: Boogie Preprocessor took 39.56ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 43.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,023 INFO L158 Benchmark]: RCFGBuilder took 628.95ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 42.8MB in the end (delta: 426.4kB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,025 INFO L158 Benchmark]: TraceAbstraction took 152.93ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 42.0MB in the beginning and 64.7MB in the end (delta: -22.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 12:17:05,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.25ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 49.5MB in the end (delta: 9.2MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.94ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 46.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.56ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 43.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.95ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 42.8MB in the end (delta: 426.4kB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 152.93ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 42.0MB in the beginning and 64.7MB in the end (delta: -22.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:17:05,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE